An XLR connector is a type of electrical connector commonly used in professional audio and video equipment. It features a circular design with three or more pins, allowing for balanced audio signals, which helps reduce noise and interference. XLR connectors are often found in microphones, mixing consoles, and stage equipment. These connectors are known for their durability and secure locking mechanism, making them ideal for live performances and studio settings. The most common type is the three-pin XLR, which is widely used in the music industry and broadcasting, ensuring high-quality sound transmission in various applications.